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#include <iostream>
#include <math.h>
#include<algorithm>
#include<iostream>
#include<cstring>
using namespace std;

int main()
{
    string a;
    cin >> a;
    int n;
    n = a[0]-'0' + (a[2]-'0')*2 + (a[3]-'0')*3 + (a[4]-'0')*4 + (a[6]-'0')*5 + (a[7]-'0')*6 + (a[8]-'0')*7 + (a[9]-'0')*8 + (a[10]-'0')*9;
    n = n%11;
    if(n==10){
        if(a[12]=='X'){
            cout<<"Right";
        }
        else{
            a[12]='X';
            cout<<a;
        }
    }
    else{
        if(n==(a[12]-'0'))
            cout<<"Right";
        else{
            a[12] = n +'0';
            cout<<a;
        }
    }
    return 0;
}